Inhaltsverzeichnis

PIR Motion Sensor (MR-HW08KT)

WARNING

⚠ DANGER – MAINS VOLTAGE (85–265 V AC) ⚠

This device operates directly on mains voltage.

  • Risk of electric shock
  • Risk of serious injury or death
  • Risk of fire if wired incorrectly

Only connect the sensor when power is disconnected.

Always use:

  • Proper insulation
  • Enclosure / housing
  • Strain relief
  • Protective Earth (PE) where required

Never connect the sensor directly to low-voltage (12 V DC) systems.

Overview

The MR-HW08KT is a compact PIR motion sensor for AC-powered lighting.

Features: * Motion detection (4–6 m) * Adjustable light sensitivity * Adjustable delay time (15 s / 45 s / 5 min) * Operating voltage: 85–265 V AC … o_O Whoa! * Suitable for LED lamps up to approx. 40 W

Wire Assignment

Wire Color Function
Brown long wire Live input (L)
Yellow short wire Switched live output (L')
Blue short wire Neutral (N)
Blue long wire Neutral (N)

Wiring Example

Mains Supply          PIR Sensor          Lamp / Power Supply

L (Brown) ----------> Brown long Wire
N (Blue) -----------> Blue long Wire
                       
                      Yellow short Wire ------------> L
                      Blue short Wire   ------------> N

PE (Green/Yellow) _---------------------------------> PE

MR-HW08KT MR-HW08KT-wiring Wiring-example

DIP Switch Settings

Light Sensor

* Deep Dark → Operates only in darkness * Light Dark → Operates at dusk * All Day → Operates day and night

Delay Time

* 15 sec * 45 sec * 5 min

Notes

* Designed for 85–265 V AC operation. * Not suitable for direct 12 V DC operation. * Use proper insulation and an enclosure when working with mains voltage. * Protective Earth (PE) must never be connected through the sensor.

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